Copper Pipe Sizes Imperial To Metric

Confused about metric and imperial pipe sizes.

Copper pipe sizes imperial to metric. 1 2 bore is 12 7 mm. See pvc and abs pipe here. The imperial sizes are based on the internal bore diameter of the pipe and the metric sizes are based on the external diameter of the pipe. Pressure ratings pressure ratings of pipes and tubes and their fittings carbon steel stainless steel plastic copper and more.

Wall thickness of pipes available in different standard schedules sch for nps nominal pipe size in inch as well as dn diameter nominal in mm are shown in below chart. The following is a quick conversion chart showing sizes of. Fti supply a broad range of copper tube in both metric and imperial sizes. Consequently sizes are different for plastic and steel products.

Metric and imperial copper tube. One point to bear in mind in the uk is that the measurement quoted for imperial sized pipe is the inner diameter of the pipe whilst the measurement for metric pipes is the outer diameter this means that the 1 2 inch pipe is very nearly identical to the 15 mm metric pipe. Fittings flanges couplings valves and other piping components are renamed in like manner as are pipe threads. Metric sizes of copper tubes to bs british standard 2871.

Internal diameter id is used for imperial and outside diameter od is used for metric. Pipe cross sectional sizes do not change. Irish imperial sizes for copper pipes are as below. The tube is fully annealed to allow maximum ease of bending and is manufactured to bs en 12735 1 r220.

See copper tube here. Bs 2871 copper tubes dimensions and working pressures table x y and z metric sizes of copper tubes to bs british standard 2871. In fact these two sizes 1 2 inch and 15mm can generally be joined. The internal surfaces are cleaned and polished and the tube is suitable for all general use applications typically hot cold water.

The wall thickness unit shown in the table without bracket is in metric system i e millimetres mm the british equivalents dimensional conversion i e inch is shown in bracket. 1 2 irish pipe is as below. Dimensions sizes and dimensions of pipes and tubes and their fittings inside and outside diameter weight and more. When the industry moved from imperial to metric sizing it was done in an uncoordinated fashion.

Iso 161 thermoplastics pipes dimensions dimensions of thermoplastic pipes according iso 161. We are also en iso 9001 2015 certified company only supplying products that comply with their strict standards of quality assurance. Here are the inch pound names for pipe products called nps or nominal pipe size and their metric equivalents called dn or diameter nominal. Astm b280 copper tube for air.